Fastener Specifications

Application	Specification
Application	Metric	English
Auxiliary Radiator Lower Bracket Bolts (LS7)	5 N.m	44 lb in
Charge Air Cooler Coolant Pump Bracket Fastener	9 N.m	80 lb in
Charge Air Cooler Drain Plug	9.6 N.m	85 lb in
Charge Air Cooler Radiator Fastener	10 N.m	89 lb in
Charge Air Cooler Vent Port Plug	9.6 N.m	85 lb in
Coolant Air Bleed Pipe Bolt	12 N.m	106 lb in
Coolant Recovery Reservoir Bolt	17 N.m	13 lb in
Cylinder Head Rear Bolt	58 N.m	43 lb ft
Engine Coolant Air Bleed Pipe Fastener	12 N.m	106 lb in
Engine Coolant Fan Motor Fastener	10 N.m	89 lb in
Engine Coolant Fan Motor Fastener - Front (LS7)	6 N.m	53 lb in
Engine Coolant Fan Motor Fastener - Rear (LS7)	4 N.m	35 lb in
Engine Coolant Fan Mounting Bolts	4 N.m	35 lb in
Engine Coolant Fan Nut	6 N.m	53 lb in
Engine Coolant Fan Shroud Bolt (LS7)	5 N.m	44 lb in
Engine Coolant Fan Shroud Bolt (LFX, LSA, LS3, L99)	8 N.m	70 lb in
Engine Coolant Thermostat Housing Bolts (LFX)	10 N.m	89 lb in
Engine Oil Cooler Coolant Outlet Hose Fastener (LS7)	9 N.m	80 lb in
Engine Oil Cooler Inlet Hose Fitting Fastener (LS3, LS7, LSA, L99)	75 N.m	55 lb ft
Engine Oil Cooler Pipe Bolt (LSA)	9 N.m	80 lb in
Engine Oil Cooler Pipe Bolt (LS3, L99)	10 N.m	89 lb in
Engine Oil Cooler-to-Oil Pan M6 Bolts	10 N.m	89 lb in
Engine Oil Cooler-to-Oil Pan M8 Bolts	25 N.m	18 lb ft
Generator Bracket Bolt	25 N.m	18 lb ft
Heater Inlet and Outlet Pipe Fastener (LFX)
M6	10 N.m	89 lb in
M8	22 N.m	16 lb ft
Lower Thermostat Housing Bolts	10 N.m	89 lb in
Radiator Air Side Baffle and Deflector Retainer	3 N.m	27 lb in
Radiator Outlet Pipe (LFX)	58 N.m	42 lb ft
Radiator Upper Bracket Bolt	9 N.m	80 lb in
Radiator Upper Support Bracket Bolt	9 N.m	80 lb in
Thermostat Housing Bolt	25 N.m	18 lb ft
Water Inlet Pipe Fastener (LSA)	10 N.m	89 lb in
Water Outlet Fastener (LSA, LFX)	10 N.m	89 lb in
Water Pump Bolt (LFX)
First Pass	10 N.m	89 lb in (1)
Second Pass	10 N.m	89 lb in
Final Pass	45 Degrees
Water Pump Bolts (LS3, LS7, LSA, L99)
First Pass	15 N.m	11 lb ft
Final Pass	30 N.m	22 lb ft
Water Pump Inlet Bolts (LS3, LS7, LSA, L99)	15 N.m	11 lb ft
Water Pump Pulley Bolt (LFX)	10 N.m	89 lb in
1. Use NEW fasteners.